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M8 x 40mm Nylon Hex Head Cap Screw | Fastening & Joining

Expert Overview

Engineered for demanding industrial environments, this M8 x 40mm Nylon Hex Head Cap Screw offers excellent corrosion resistance and electrical insulation. Its lightweight yet robust design ensures reliable fastening in diverse applications.

StandardASTM A106
MaterialNylon
FinishZinc Plated
GradeN/A
SizeM8
Length40mm
Head Width29mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M8 x 40mm Nylon Hex Head Cap Screw is manufactured from high-performance nylon, delivering superior chemical resistance and dielectric properties. The M8 thread provides robust engagement, while the 40mm length offers ample grip for various assembly thicknesses. The substantial 29mm head width ensures excellent load distribution and facilitates secure tightening with standard hex tools. Its lightweight nature makes it ideal for applications where weight reduction is critical, and its non-magnetic and non-conductive characteristics are essential for sensitive electronic or corrosive environments.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

BossardEst. 1831
Switzerland🇨🇭
"Global leader in fastening technology."
Market Rank
🏆 Top 3 Global Fastener Network
Industry Approvals
🚀 Aerospace & Tesla Approved
Warranty & Support
🛡️ Lifetime Traceability
Green Manufacturing
🌱 Carbon Neutral by 2030
Certified:ISO 9001, RoHS, REACH
Würth GroupEst. 1945
Germany🇩🇪
"Premium assembly and fastening materials."
Market Rank
🏆 #1 Global Assembly Supplier
Industry Approvals
🚀 VW & BMW OEM
Warranty & Support
🛡️ 5-Year Industrial Warranty
Green Manufacturing
🌱 100% Recyclable Packaging
Certified:ISO 9001, DIN EN
Brighton-BestEst. 1925
USA🇺🇸
"Master distributor of industrial fasteners."
Market Rank
🏆 Largest Distributor in NA
Industry Approvals
🚀 Boeing Approved
Warranty & Support
🛡️ Global Replacement Guarantee
Green Manufacturing
🌱 Green Steel Initiative
Certified:ISO 9001, A2LA

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Ensure mating threads are clean and free from debris. 2. Hand-thread the screw to confirm proper engagement. 3. Tighten using a suitable hex wrench, applying consistent torque until secure. Avoid overtightening to prevent stripping or damaging the nylon threads.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M8Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M8Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening the nylon screw, which can strip the threads or crack the head.Use a torque wrench set to the manufacturer's recommended torque for nylon fasteners or tighten until snug with moderate force.
Using the wrong size hex wrench, leading to cam-out and potential damage to the screw head.Always use the correctly sized hex wrench that fits snugly into the screw head recess.

Common Applications

  • Electrical enclosures and panel mounting
  • Corrosive chemical processing equipment
  • Lightweight structural assemblies
  • Medical device manufacturing
  • Automotive interior components

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications above 80°C (176°F).
  • Avoid prolonged exposure to strong UV radiation, which can degrade nylon over time.

Alternative Products to Consider

Premium Fastening & Joining equivalentHigher corrosion resistance (316 SS)
Economy Fastening & Joining optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Hex Head Cap Screw, Nylon made from?

A: This Hex Head Cap Screw, Nylon is manufactured from Nylon.

Q: What are the main applications?

A: Electrical enclosures and panel mounting, Corrosive chemical processing equipment, Lightweight structural assemblies, Medical device manufacturing, Automotive interior components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 40mmAF29mm1/2"-13TIGHTEN →MECHANICAL PROPERTIESTensile Strength: 150,000 psiThread: 1/2"-13 UNCTorque Direction: Clockwise (CW)Head Marking: 6 radial lines (Grade 8)

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.